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  1. #1

    Audirvana Plus: Direct Mode

    Direct Mode shortens further the audio signal by bypassing all CoreAudio, even its lowest level HAL layer.
    In addition, the Integer Mode that was no more available in Lion is back for all the devices that offered it in Snow Leopard!
    As it is now at a good level of maturity, Ive decided to release Direct Mode as a public beta for you to enjoy it now. I will continue to improve it, taking you feedback into account, and pursuing the optimization ideas Ive identified.
    You can get it from audirvana.com blog
    Be sure to enable Direct Mode in the Audio System panel of Audirvana Plus user preferences.
    And enjoy!

    Damien
    MBP 15"/Mac Mini, Audirvana Plus, Audioquest Diamond USB, AMR DP-777, exD DSD DAC (for DSD), Audioquest Niagara balanced/Viard Audio Design Silver HD, Accuphase E-560, Cabasse Sumatra MT420

  2. #2
    Sophomore Member freddie40's Avatar
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    Crystal Clear Music Tweaked Mac Mini / Mavericks -> JRiver 19 -> Ayre QB9DSD -> Bryston BP26DA -> Bryston 4BSST2 -> B&W 802Di | Transparent Reference XLRs, Transparent Super Speaker Cable, Mapleshade ClearLink Plus USB cable, Crystal Clear Music Power Cords

  3. #3
    Newbie Objectionist wgscott's Avatar
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    Quote Originally Posted by freddie40 View Post
    Nothing left to do but
    Living Room: 2012 i7 Mac mini --> Halide Bridge-->Peachtree Nova --> Class D Audio 254 X 2 --> B&W CM7R + Rel R218
    (iTunes | Audirvana | BitPerfect | Decibel ) & Dirac
    iTunes on remote computer controls Audirvana on server

    Home Office: 2007 iMac --> Vanatoo powered speakers (iTunes | Audirvana | BitPerfect | Decibel )

    ------------------------------------------------------------------------------------------------------------------------------------

    Seor, seor, let's disconnect these cables
    Overturn these tables
    This place don't make sense to me no more.

  4. #4
    This release is truly fabulous. When combined with OSX Lion, the sound is the best I've ever heard.
    MacBook Pro 2.3GHz Quad Core i7/ 16GB RAM, OCZ Vertex 3 SSD 240 GB, Promise Pegasus Thunderbolt Drive, AudioQuest Diamond USB Cable, Acoustic Revive Dual Conduit USB Cable, Wavelength Audio Silver Crimson HS/Denominator, Ayre KX-R, Ayre MX-R amps, Synergistic Research Cables, Wilson Sasha W/P, Wilson Watch Dog 2 Subwoofer. Shunyata V-Ray, Shunyata Cobra CX, Anaconda CX cables. Basis Debut Vacuum V, Graham Phantom, Koetsu Jade Platinum., Audirvana Plus, Amarra, Decibel, and Fidelia.

  5. #5
    Sophomore Member freddie40's Avatar
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    It works just fine on Snow Leopard with my Ayre QB9. The only problem (minor) that I saw was that the play position was working in iTunes even though I had deactivated it.

    Works fine on Lion too.

    As a side note to those trying it. You must uncheck "Exclusive Access" to get it to work.

    Dave
    Crystal Clear Music Tweaked Mac Mini / Mavericks -> JRiver 19 -> Ayre QB9DSD -> Bryston BP26DA -> Bryston 4BSST2 -> B&W 802Di | Transparent Reference XLRs, Transparent Super Speaker Cable, Mapleshade ClearLink Plus USB cable, Crystal Clear Music Power Cords

  6. #6
    Quote Originally Posted by freddie40 View Post
    As a side note to those trying it. You must uncheck "Exclusive Access" to get it to work.
    Not really... you need Exclusive Access ("hog mode") on especially if you want to have the Integer Mode with it...
    Had you an issue with it on?

    Damien
    MBP 15"/Mac Mini, Audirvana Plus, Audioquest Diamond USB, AMR DP-777, exD DSD DAC (for DSD), Audioquest Niagara balanced/Viard Audio Design Silver HD, Accuphase E-560, Cabasse Sumatra MT420

  7. #7
    Sophomore Member freddie40's Avatar
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    [QUOTE=damien78;159322]Not really... you need Exclusive Access ("hog mode") on especially if you want to have the Integer Mode with it...
    Had you an issue with it on?

    Weird, It didn't work when I first tried it, but now does, both in Lion and Snow Leopard

    Thanks,

    Dave
    Crystal Clear Music Tweaked Mac Mini / Mavericks -> JRiver 19 -> Ayre QB9DSD -> Bryston BP26DA -> Bryston 4BSST2 -> B&W 802Di | Transparent Reference XLRs, Transparent Super Speaker Cable, Mapleshade ClearLink Plus USB cable, Crystal Clear Music Power Cords

  8. #8
    Sophomore Member freddie40's Avatar
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    Damien,

    I have gone back and tried it many times.

    It works perfect on Lion, the play position does not move

    On Snow leopard it does not work fine. When I restart the machine it does not play. If I go to prefs and uncheck "Exclusive Access" and then check it the music then starts to play. This happens every time.

    Dave
    Crystal Clear Music Tweaked Mac Mini / Mavericks -> JRiver 19 -> Ayre QB9DSD -> Bryston BP26DA -> Bryston 4BSST2 -> B&W 802Di | Transparent Reference XLRs, Transparent Super Speaker Cable, Mapleshade ClearLink Plus USB cable, Crystal Clear Music Power Cords

  9. #9
    Amazing sound. Will replace v1.3.5 in my dock immediately.

    By the way, how can I find out if my DAC supports integer mode? I simply switched it on, but have no idea if this is helping in any way.
    iMac late 2009 8GB > Audirvana+/Amarra > Audioquest Forest USB > BelCanto mlink > Atlas Ascent BNC > Exposure 2010S2 Dac > Audioquest King Cobra > Exposure 3010S2 Integrated > Chord Carnival Classic > B&W CM8

  10. #10
    Senior Member
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    Thank you Damien .. sounds great!

  11. #11
    Senior Member
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    Sounds great on most material. The first DSD > PCM track I tried, though, I just got three loud pops and my Mac Mini locked up solid (had to turn it off to recover). Any special error reporting method we should use or anything you'd like to see to diagnose?

    2011 MacMini, OS X 10.7.4, 8GB RAM, Schiit Bifrost DAC via USB
    John Walker
    Senior IT Project Manager

    2x2TB HD > generic firewire cable > Mac Mini running JRiver Media Center > LH Labs Geek Out 720 > Audioquest Evergreen RCA cable > Pioneer Elite SC-81 > MartinLogan Motion series home theater speakers + M&K subwoofer

  12. #12
    Sophomore Member freddie40's Avatar
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    I gave it one more try. I restarted the machine (Snow Leopard) and started up a song. It took 20 seconds to start playing, so it does work, just SLOW.

    Dave
    Crystal Clear Music Tweaked Mac Mini / Mavericks -> JRiver 19 -> Ayre QB9DSD -> Bryston BP26DA -> Bryston 4BSST2 -> B&W 802Di | Transparent Reference XLRs, Transparent Super Speaker Cable, Mapleshade ClearLink Plus USB cable, Crystal Clear Music Power Cords

  13. #13
    No Luck on JKenny Hiface
    Hackintosh I7 16GB Ram M2Tech EVO, HQPlayer 3.4, Drobo 8 TB NAS, SOtM tx-USB with Welborne Labs 12 volt PS, Audio GD DAC NFB 7 ES 9018, Audio GD C39 Preamp, The First ONE DIY Amp, Monitor Audio GS20 Speakers, Monitor Audio RSW12 Subwoofer, PI Audio MagikBuss filter.

  14. #14
    Direct Mode is On and Integer Mode is Off, but no Sound





    Audirvana Plus rev. 1.3.9.1 debug information:
    running on Mac OS X 10.7.4

    User preferences:
    Remote control: IR: on, Media Keys: on (with volume control: on)

    Playlists:
    Use UTF-8 for all: on
    Start playback at launch with audio file: on
    Remember playlist: on
    Volume knob control in vertical direction

    Sample rate converter used: iZotope 64bit SRC
    Polarity inversion: global=off, per track=on

    Volume control: DAC only
    Max volume limit = 100.0%

    SysOptimizer enabled:
    Spotlight: on
    TimeMachine: on
    iDevices USB: on

    iTunes settings:
    Completely deactivate iTunes playback: on
    iTunes volume control: on
    iTunes play position control: on

    Audio settings:
    Use Max I/O buffersize: on
    Max Mem for audio buffers: 9984MB
    Max Sample rate limit: 96kHz
    Sample rate switching latency: None

    Direct Mode audio path

    Active Sample Rate: 96.0kHz
    Hog Mode is off
    Devices found : 7

    List of devices:
    Device #0: ID 0x7e M2Tech HiFace Manufacturer:M2TECH Model UID:com_m2tech_driver_HifaceDevice:Hiface USB-SPDIF UID:HifaceEngine:0
    Device #1: ID 0x49 Soundflower (2ch) Manufacturer:ma++ ingalls for Cycling '74 Model UID:com_cycling74_driver_SoundflowerDevice:Soundfl ower UID:SoundflowerEngine:0
    Device #2: ID 0x22 Soundflower (16ch) Manufacturer:ma++ ingalls for Cycling '74 Model UID:com_cycling74_driver_SoundflowerDevice:Soundfl ower UID:SoundflowerEngine:1
    Device #3: ID 0x70 Line-out (Green Rear) Manufacturer:Voodoo Model UID:VoodooHDADevice:Voodoo HDA Device UID:VoodooHDAEngineci8086,1c20:0
    Device #4: ID 0x6a Headphones (Green Front) Manufacturer:Voodoo Model UID:VoodooHDADevice:Voodoo HDA Device UID:VoodooHDAEngineci8086,1c20:1
    Device #5: ID 0x67 SPDIF-out (Grey Rear) Manufacturer:Voodoo Model UID:VoodooHDADevice:Voodoo HDA Device UID:VoodooHDAEngineci8086,1c20:2
    Device #6: ID 0x64 SPDIF-out (ATAPI) Manufacturer:Voodoo Model UID:VoodooHDADevice:Voodoo HDA Device UID:VoodooHDAEngineci8086,1c20:3

    Preferred device: M2Tech HiFace Model UID:com_m2tech_driver_HifaceDevice:Hiface USB-SPDIF UID:HifaceEngine:0

    Selected device:
    ID 0x7e M2Tech HiFace Manufacturer:M2TECH
    Model UID:com_m2tech_driver_HifaceDevice:Hiface USB-SPDIF UID:HifaceEngine:0

    1 available sample rates up to 192000.0Hz
    44100.0 to 192000.0

    Audio buffer frame size : 512 to 8192 frames
    Current I/O buffer frame size : 512
    Physical (analog) volume control: No
    Virtual (digital) volume control: No
    Preferred stereo channels L:1 R:2
    DSD capability: Unhandled
    Simple stereo device: yes
    Channel mapping: L:Stream 0 channel 0 R:Stream 0 channel 1

    1 output streams:
    Stream ID 0x1 2 channels starting at 1
    1 virtual formats:
    Mixable linear PCM Interleaved 32bits little endian Float @44.1 to 192.0kHz

    1 physical formats
    Mixable linear PCM Interleaved 32bits big endian Signed Integer aligned High in 32bit @44.1 to 192.0kHz
    Hackintosh I7 16GB Ram M2Tech EVO, HQPlayer 3.4, Drobo 8 TB NAS, SOtM tx-USB with Welborne Labs 12 volt PS, Audio GD DAC NFB 7 ES 9018, Audio GD C39 Preamp, The First ONE DIY Amp, Monitor Audio GS20 Speakers, Monitor Audio RSW12 Subwoofer, PI Audio MagikBuss filter.

  15. #15
    Tone Junkie AudioDoctor's Avatar
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    I wasn't too enthralled when I tried Audirvana last time, and let my trial expire without buying. Is another trial possible with the new version?
    The idiocracy is now...

  16. #16
    'Ankh Morpork, we have an orangutan...' dave_kiwi's Avatar
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    Have tried it on two machines:

    Mac Mini (2009) optical out to Schitt BiForst / Asgard --- sounds very nice, actually used the same music I was listening to last night, and I would say it sounds "clearer" again --- like a layer of material was removed from between the source & listener.

    Macbook Pro - at work, so no DAC, just the standard audio out -- but it does sound very good. (Actually have hog, direct & max buffers selected -- which is the first time I have been able to use max buyer on Lion without clicks & pops etc).
    Source: 1.0TB OWC Mercury Elite Pro < FW800> Mac Mini (2009 / 10.8.3)
    1.0TB WD MY PASSPORT <USB 3 / 2> Mac Mini (2009 / 10.8.3)

    Players (Hardware): MacBook Pro 13 (2011, 10.8.3 8 gig), ATV2
    Amp / DAC: Nuforce DDA-100
    Speakers: ELAC 201

    Software: iTunes & BitPerfect / Audirvana Free / Audirvana Plus / MPD 0.16.6
    Connectivity: subject to random changes

  17. #17
    Sophomore Member
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    First time I tried it playback was slow with lots of pops. Better luck the second try. Seemed to play flawlessly until I changed tracks. Then I started hearing pops.

    Loved what I heard during the brief time it played without pops.

    DAC is Weiss Minerva connected via FireWire, Direct Mode on, Exclusive on, Integer off. All other settings same as when using 1.3.5.

  18. #18
    I experienced some unexpected skips, but the sound is awesome. More open, much more air, the sound really coming fully free from the speakers, voices able to breathe.

    Damien, if you fix some of those remaining playback reliability issues, that some of us experience this could become a huge hit.
    iMac late 2009 8GB > Audirvana+/Amarra > Audioquest Forest USB > BelCanto mlink > Atlas Ascent BNC > Exposure 2010S2 Dac > Audioquest King Cobra > Exposure 3010S2 Integrated > Chord Carnival Classic > B&W CM8

  19. #19
    Quote Originally Posted by AudioDoctor View Post
    I wasn't too enthralled when I tried Audirvana last time, and let my trial expire without buying. Is another trial possible with the new version?
    I cannot really comment as I have purchased Audirvana already, but it looks to me like this new build is for the moment a fully independent free beta demo. Just check it out.
    iMac late 2009 8GB > Audirvana+/Amarra > Audioquest Forest USB > BelCanto mlink > Atlas Ascent BNC > Exposure 2010S2 Dac > Audioquest King Cobra > Exposure 3010S2 Integrated > Chord Carnival Classic > B&W CM8

  20. #20
    Quote Originally Posted by Musicophile View Post
    I cannot really comment as I have purchased Audirvana already, but it looks to me like this new build is for the moment a fully independent free beta demo. Just check it out.
    The beta uses exactly the same license mechanism as the full versions, including the trial period.
    @AudioDoctor: I've sent you a mail to renew your trial.

    Quote Originally Posted by juliocat View Post
    No Luck on JKenny Hiface
    The HiFace has a custom driver that is not providing integer mode... Now, the no sound is something else I'll look into.

    Quote Originally Posted by Musicophile View Post
    I experienced some unexpected skips, but the sound is awesome. More open, much more air, the sound really coming fully free from the speakers, voices able to breathe.

    Damien, if you fix some of those remaining playback reliability issues, that some of us experience this could become a huge hit.
    That's why I've released it as a beta.
    And those remaining glitches will be fixed to make the final 1.4 !

    Damien
    MBP 15"/Mac Mini, Audirvana Plus, Audioquest Diamond USB, AMR DP-777, exD DSD DAC (for DSD), Audioquest Niagara balanced/Viard Audio Design Silver HD, Accuphase E-560, Cabasse Sumatra MT420

  21. #21
    Hi Damien,
    Does Direct Mode benefit DSD playback?
    Is there an indicator showing Direct Mode is being used?
    Cheers

  22. #22
    Direct Mode benefits to all playbacks, including DSD even in non Integer Mode.
    There is currently no indicator as Direct Mode is used as soon as it is selected in the user prefs.
    For Integer Mode, as it depends on the device capabilities detected during playback initialization, there is the "INT" indicator at the right of the LCD screen.
    And all this information is also detailed in the debug info, though the main purpose of this one is not for nominal status reading

    Damien
    MBP 15"/Mac Mini, Audirvana Plus, Audioquest Diamond USB, AMR DP-777, exD DSD DAC (for DSD), Audioquest Niagara balanced/Viard Audio Design Silver HD, Accuphase E-560, Cabasse Sumatra MT420

  23. #23
    Quote Originally Posted by damien78 View Post
    Direct Mode benefits to all playbacks, including DSD even in non Integer Mod
    Damien
    Great player! Direct mode sounds really good
    Thanks

  24. #24
    Junior Member Esprit's Avatar
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    Quote Originally Posted by damien78 View Post
    Direct Mode benefits to all playbacks, including DSD even in non Integer Mode.
    There is currently no indicator as Direct Mode is used as soon as it is selected in the user prefs.
    For Integer Mode, as it depends on the device capabilities detected during playback initialization, there is the "INT" indicator at the right of the LCD screen.
    What are the differences between Direct Mode and Integer Mode?

  25. #25
    Sophomore Member Zakus's Avatar
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    Quote Originally Posted by freddie40 View Post
    I gave it one more try. I restarted the machine (Snow Leopard) and started up a song. It took 20 seconds to start playing, so it does work, just SLOW.

    Dave
    Am finding the same thing with Snow Leopard. Takes 20-40 secs to initialize the device if track is changed, not just different album but also skipping track, almost unusable except it sounds great.

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